| | |
| | | /* |
| | | +-----------------------------------------------------------------------+ |
| | | | This file is part of the Roundcube Webmail client | |
| | | | Copyright (C) 2008-2010, The Roundcube Dev Team | |
| | | | Copyright (C) 2008-2014, The Roundcube Dev Team | |
| | | | | |
| | | | Licensed under the GNU General Public License version 3 or | |
| | | | any later version with exceptions for skins & plugins. | |
| | |
| | | public $sender = null; |
| | | public $is_safe = false; |
| | | |
| | | const BODY_MAX_SIZE = 1048576; // 1MB |
| | | |
| | | |
| | | /** |
| | | * __construct |
| | |
| | | */ |
| | | function __construct($uid, $folder = null) |
| | | { |
| | | // decode combined UID-folder identifier |
| | | if (preg_match('/^\d+-.+/', $uid)) { |
| | | list($uid, $folder) = explode('-', $uid, 2); |
| | | } |
| | | |
| | | $this->uid = $uid; |
| | | $this->app = rcube::get_instance(); |
| | | $this->storage = $this->app->get_storage(); |
| | |
| | | * @param resource $fp File pointer to save the message part |
| | | * @param boolean $skip_charset_conv Disables charset conversion |
| | | * @param int $max_bytes Only read this number of bytes |
| | | * @param boolean $formatted Enables formatting of text/* parts bodies |
| | | * |
| | | * @return string Part content |
| | | * @deprecated |
| | | */ |
| | | public function get_part_content($mime_id, $fp = null, $skip_charset_conv = false, $max_bytes = 0) |
| | | public function get_part_content($mime_id, $fp = null, $skip_charset_conv = false, $max_bytes = 0, $formatted = true) |
| | | { |
| | | if ($part = $this->mime_parts[$mime_id]) { |
| | | // stored in message structure (winmail/inline-uuencode) |
| | |
| | | // get from IMAP |
| | | $this->storage->set_folder($this->folder); |
| | | |
| | | return $this->storage->get_message_part($this->uid, $mime_id, $part, NULL, $fp, $skip_charset_conv, $max_bytes); |
| | | return $this->storage->get_message_part($this->uid, $mime_id, $part, |
| | | NULL, $fp, $skip_charset_conv, $max_bytes, $formatted); |
| | | } |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Get content of a specific part of this message |
| | | * |
| | | * @param string $mime_id Part ID |
| | | * @param boolean $formatted Enables formatting of text/* parts bodies |
| | | * @param int $max_bytes Only return/read this number of bytes |
| | | * @param mixed $mode NULL to return a string, -1 to print body |
| | | * or file pointer to save the body into |
| | | * |
| | | * @return string|bool Part content or operation status |
| | | */ |
| | | public function get_part_body($mime_id, $formatted = false, $max_bytes = 0, $mode = null) |
| | | { |
| | | if (!($part = $this->mime_parts[$mime_id])) { |
| | | return; |
| | | } |
| | | |
| | | // only text parts can be formatted |
| | | $formatted = $formatted && $part->ctype_primary == 'text'; |
| | | |
| | | // part body not fetched yet... save in memory if it's small enough |
| | | if ($part->body === null && is_numeric($mime_id) && $part->size < self::BODY_MAX_SIZE) { |
| | | $this->storage->set_folder($this->folder); |
| | | // Warning: body here should be always unformatted |
| | | $part->body = $this->storage->get_message_part($this->uid, $mime_id, $part, |
| | | null, null, true, 0, false); |
| | | } |
| | | |
| | | // body stored in message structure (winmail/inline-uuencode) |
| | | if ($part->body !== null || $part->encoding == 'stream') { |
| | | $body = $part->body; |
| | | |
| | | if ($formatted && $body) { |
| | | $body = self::format_part_body($body, $part, $this->headers->charset); |
| | | } |
| | | |
| | | if ($max_bytes && strlen($body) > $max_bytes) { |
| | | $body = substr($body, 0, $max_bytes); |
| | | } |
| | | |
| | | if (is_resource($mode)) { |
| | | if ($body !== false) { |
| | | fwrite($mode, $body); |
| | | rewind($mode); |
| | | } |
| | | |
| | | return $body !== false; |
| | | } |
| | | |
| | | if ($mode === -1) { |
| | | if ($body !== false) { |
| | | print($body); |
| | | } |
| | | |
| | | return $body !== false; |
| | | } |
| | | |
| | | return $body; |
| | | } |
| | | |
| | | // get the body from IMAP |
| | | $this->storage->set_folder($this->folder); |
| | | |
| | | $body = $this->storage->get_message_part($this->uid, $mime_id, $part, |
| | | $mode === -1, is_resource($mode) ? $mode : null, |
| | | !($mode && $formatted), $max_bytes, $mode && $formatted); |
| | | |
| | | if (is_resource($mode)) { |
| | | rewind($mode); |
| | | return $body !== false; |
| | | } |
| | | |
| | | if (!$mode && $body && $formatted) { |
| | | $body = self::format_part_body($body, $part, $this->headers->charset); |
| | | } |
| | | |
| | | return $body; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Format text message part for display |
| | | * |
| | | * @param string $body Part body |
| | | * @param rcube_message_part $part Part object |
| | | * @param string $default_charset Fallback charset if part charset is not specified |
| | | * |
| | | * @return string Formatted body |
| | | */ |
| | | public static function format_part_body($body, $part, $default_charset = null) |
| | | { |
| | | // remove useless characters |
| | | $body = preg_replace('/[\t\r\0\x0B]+\n/', "\n", $body); |
| | | |
| | | // remove NULL characters if any (#1486189) |
| | | if (strpos($body, "\x00") !== false) { |
| | | $body = str_replace("\x00", '', $body); |
| | | } |
| | | |
| | | // detect charset... |
| | | if (!$part->charset || strtoupper($part->charset) == 'US-ASCII') { |
| | | // try to extract charset information from HTML meta tag (#1488125) |
| | | if ($part->ctype_secondary == 'html' && preg_match('/<meta[^>]+charset=([a-z0-9-_]+)/i', $body, $m)) { |
| | | $part->charset = strtoupper($m[1]); |
| | | } |
| | | else if ($default_charset) { |
| | | $part->charset = $default_charset; |
| | | } |
| | | else { |
| | | $rcube = rcube::get_instance(); |
| | | $part->charset = $rcube->config->get('default_charset', RCUBE_CHARSET); |
| | | } |
| | | } |
| | | |
| | | // ..convert charset encoding |
| | | $body = rcube_charset::convert($body, $part->charset); |
| | | |
| | | return $body; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Determine if the message contains a HTML part. This must to be |
| | | * a real part not an attachment (or its part) |
| | | * This must to be |
| | | * a real part not an attachment (or its part) |
| | | * |
| | | * @param bool $enriched Enables checking for text/enriched parts too |
| | |
| | | } |
| | | |
| | | $level = explode('.', $part->mime_id); |
| | | $depth = count($level); |
| | | |
| | | // Check if the part belongs to higher-level's alternative/related |
| | | // Check if the part belongs to higher-level's multipart part |
| | | // this can be alternative/related/signed/encrypted or mixed |
| | | while (array_pop($level) !== null) { |
| | | if (!count($level)) { |
| | | $parent_depth = count($level); |
| | | if (!$parent_depth) { |
| | | return true; |
| | | } |
| | | |
| | | $parent = $this->mime_parts[join('.', $level)]; |
| | | if ($parent->mimetype != 'multipart/alternative' && $parent->mimetype != 'multipart/related') { |
| | | if (!preg_match('/^multipart\/(alternative|related|signed|encrypted|mixed)$/', $parent->mimetype) |
| | | || ($parent->mimetype == 'multipart/mixed' && $parent_depth < $depth - 1)) { |
| | | continue 2; |
| | | } |
| | | } |
| | |
| | | // check all message parts |
| | | foreach ($this->mime_parts as $pid => $part) { |
| | | if ($part->mimetype == 'text/html') { |
| | | return $this->get_part_content($pid); |
| | | return $this->get_part_body($pid, true); |
| | | } |
| | | } |
| | | } |
| | |
| | | // check all message parts |
| | | foreach ($this->mime_parts as $mime_id => $part) { |
| | | if ($part->mimetype == 'text/plain') { |
| | | return $this->get_part_content($mime_id); |
| | | return $this->get_part_body($mime_id, true); |
| | | } |
| | | else if ($part->mimetype == 'text/html') { |
| | | $out = $this->get_part_content($mime_id); |
| | | $out = $this->get_part_body($mime_id, true); |
| | | |
| | | // create instance of html2text class |
| | | $txt = new rcube_html2text($out); |
| | |
| | | |
| | | // parse headers from message/rfc822 part |
| | | if (!isset($structure->headers['subject']) && !isset($structure->headers['from'])) { |
| | | list($headers, $dump) = explode("\r\n\r\n", $this->get_part_content($structure->mime_id, null, true, 32768)); |
| | | list($headers, ) = explode("\r\n\r\n", $this->get_part_body($structure->mime_id, false, 32768)); |
| | | $structure->headers = rcube_mime::parse_headers($headers); |
| | | } |
| | | } |
| | |
| | | else if ($mimetype == 'multipart/alternative' |
| | | && is_array($structure->parts) && count($structure->parts) > 1 |
| | | ) { |
| | | $plain_part = null; |
| | | $html_part = null; |
| | | $print_part = null; |
| | | $related_part = null; |
| | | $attach_part = null; |
| | | |
| | | // get html/plaintext parts, other add to attachments list |
| | | foreach ($structure->parts as $p => $sub_part) { |
| | | $sub_mimetype = $sub_part->mimetype; |
| | |
| | | continue; |
| | | } |
| | | |
| | | // We've encountered (malformed) messages with more than |
| | | // one text/plain or text/html part here. There's no way to choose |
| | | // which one is better, so we'll display first of them and add |
| | | // others as attachments (#1489358) |
| | | |
| | | // check if sub part is |
| | | if ($is_multipart) |
| | | $related_part = $p; |
| | | else if ($sub_mimetype == 'text/plain') |
| | | else if ($sub_mimetype == 'text/plain' && !$plain_part) |
| | | $plain_part = $p; |
| | | else if ($sub_mimetype == 'text/html') |
| | | else if ($sub_mimetype == 'text/html' && !$html_part) |
| | | $html_part = $p; |
| | | else if ($sub_mimetype == 'text/enriched') |
| | | else if ($sub_mimetype == 'text/enriched' && !$enriched_part) |
| | | $enriched_part = $p; |
| | | else |
| | | $attach_part = $p; |
| | | else { |
| | | // add unsupported/unrecognized parts to attachments list |
| | | $this->attachments[] = $sub_part; |
| | | } |
| | | } |
| | | |
| | | // parse related part (alternative part could be in here) |
| | |
| | | |
| | | $this->parts[] = $c; |
| | | } |
| | | |
| | | // add unsupported/unrecognized parts to attachments list |
| | | if ($attach_part) { |
| | | $this->attachments[] = $structure->parts[$attach_part]; |
| | | } |
| | | } |
| | | // this is an ecrypted message -> create a plaintext body with the according message |
| | | else if ($mimetype == 'multipart/encrypted') { |
| | |
| | | $part_mimetype = $mail_part->real_mimetype; |
| | | list($primary_type, $secondary_type) = explode('/', $part_mimetype); |
| | | } |
| | | else |
| | | $part_mimetype = $mail_part->mimetype; |
| | | else { |
| | | $part_mimetype = $part_orig_mimetype = $mail_part->mimetype; |
| | | } |
| | | |
| | | // multipart/alternative |
| | | if ($primary_type == 'multipart') { |
| | |
| | | */ |
| | | function tnef_decode(&$part) |
| | | { |
| | | // @TODO: attachment may be huge, hadle it via file |
| | | if (!isset($part->body)) { |
| | | $this->storage->set_folder($this->folder); |
| | | $part->body = $this->storage->get_message_part($this->uid, $part->mime_id, $part); |
| | | } |
| | | // @TODO: attachment may be huge, handle body via file |
| | | $body = $this->get_part_body($part->mime_id); |
| | | $tnef = new rcube_tnef_decoder; |
| | | $tnef_arr = $tnef->decompress($body); |
| | | $parts = array(); |
| | | |
| | | $parts = array(); |
| | | $tnef = new tnef_decoder; |
| | | $tnef_arr = $tnef->decompress($part->body); |
| | | unset($body); |
| | | |
| | | foreach ($tnef_arr as $pid => $winatt) { |
| | | $tpart = new rcube_message_part; |
| | | |
| | | $tpart->filename = trim($winatt['name']); |
| | | $tpart->filename = $this->fix_attachment_name(trim($winatt['name']), $part); |
| | | $tpart->encoding = 'stream'; |
| | | $tpart->ctype_primary = trim(strtolower($winatt['type'])); |
| | | $tpart->ctype_secondary = trim(strtolower($winatt['subtype'])); |
| | |
| | | */ |
| | | function uu_decode(&$part) |
| | | { |
| | | // @TODO: messages may be huge, hadle body via file |
| | | if (!isset($part->body)) { |
| | | $this->storage->set_folder($this->folder); |
| | | $part->body = $this->storage->get_message_part($this->uid, $part->mime_id, $part); |
| | | } |
| | | // @TODO: messages may be huge, handle body via file |
| | | $part->body = $this->get_part_body($part->mime_id); |
| | | $parts = array(); |
| | | $pid = 0; |
| | | |
| | | $parts = array(); |
| | | // FIXME: line length is max.65? |
| | | $uu_regexp = '/begin [0-7]{3,4} ([^\n]+)\n/s'; |
| | | $uu_regexp_begin = '/begin [0-7]{3,4} ([^\r\n]+)\r?\n/s'; |
| | | $uu_regexp_end = '/`\r?\nend((\r?\n)|($))/s'; |
| | | |
| | | if (preg_match_all($uu_regexp, $part->body, $matches, PREG_SET_ORDER)) { |
| | | // update message content-type |
| | | $part->ctype_primary = 'multipart'; |
| | | $part->ctype_secondary = 'mixed'; |
| | | $part->mimetype = $part->ctype_primary . '/' . $part->ctype_secondary; |
| | | $uu_endstring = "`\nend\n"; |
| | | while (preg_match($uu_regexp_begin, $part->body, $matches, PREG_OFFSET_CAPTURE)) { |
| | | $startpos = $matches[0][1]; |
| | | |
| | | // add attachments to the structure |
| | | foreach ($matches as $pid => $att) { |
| | | $startpos = strpos($part->body, $att[1]) + strlen($att[1]) + 1; // "\n" |
| | | $endpos = strpos($part->body, $uu_endstring); |
| | | $filebody = substr($part->body, $startpos, $endpos-$startpos); |
| | | |
| | | // remove attachments bodies from the message body |
| | | $part->body = substr_replace($part->body, "", $startpos, $endpos+strlen($uu_endstring)-$startpos); |
| | | |
| | | $uupart = new rcube_message_part; |
| | | |
| | | $uupart->filename = trim($att[1]); |
| | | $uupart->encoding = 'stream'; |
| | | $uupart->body = convert_uudecode($filebody); |
| | | $uupart->size = strlen($uupart->body); |
| | | $uupart->mime_id = 'uu.' . $part->mime_id . '.' . $pid; |
| | | |
| | | $ctype = rcube_mime::content_type($uupart->body, $uupart->filename, 'application/octet-stream', true); |
| | | $uupart->mimetype = $ctype; |
| | | list($uupart->ctype_primary, $uupart->ctype_secondary) = explode('/', $ctype); |
| | | |
| | | $parts[] = $uupart; |
| | | unset($matches[$pid]); |
| | | if (!preg_match($uu_regexp_end, $part->body, $m, PREG_OFFSET_CAPTURE, $startpos)) { |
| | | break; |
| | | } |
| | | |
| | | // remove attachments bodies from the message body |
| | | $part->body = preg_replace($uu_regexp, '', $part->body); |
| | | $endpos = $m[0][1]; |
| | | $begin_len = strlen($matches[0][0]); |
| | | $end_len = strlen($m[0][0]); |
| | | |
| | | // extract attachment body |
| | | $filebody = substr($part->body, $startpos + $begin_len, $endpos - $startpos - $begin_len - 1); |
| | | $filebody = str_replace("\r\n", "\n", $filebody); |
| | | |
| | | // remove attachment body from the message body |
| | | $part->body = substr_replace($part->body, '', $startpos, $endpos + $end_len - $startpos); |
| | | // mark body as modified so it will not be cached by rcube_imap_cache |
| | | $part->body_modified = true; |
| | | |
| | | // add attachments to the structure |
| | | $uupart = new rcube_message_part; |
| | | $uupart->filename = trim($matches[1][0]); |
| | | $uupart->encoding = 'stream'; |
| | | $uupart->body = convert_uudecode($filebody); |
| | | $uupart->size = strlen($uupart->body); |
| | | $uupart->mime_id = 'uu.' . $part->mime_id . '.' . $pid; |
| | | |
| | | $ctype = rcube_mime::file_content_type($uupart->body, $uupart->filename, 'application/octet-stream', true); |
| | | $uupart->mimetype = $ctype; |
| | | list($uupart->ctype_primary, $uupart->ctype_secondary) = explode('/', $ctype); |
| | | |
| | | $parts[] = $uupart; |
| | | $pid++; |
| | | } |
| | | |
| | | return $parts; |
| | | } |
| | | |
| | | /** |
| | | * Fix attachment name encoding if needed/possible |
| | | */ |
| | | protected function fix_attachment_name($name, $part) |
| | | { |
| | | if ($name == rcube_charset::clean($name)) { |
| | | return $name; |
| | | } |
| | | |
| | | // find charset from part or its parent(s) |
| | | if ($part->charset) { |
| | | $charsets[] = $part->charset; |
| | | } |
| | | else { |
| | | // check first part (common case) |
| | | $n = strpos($part->mime_id, '.') ? preg_replace('/\.[0-9]+$/', '', $part->mime_id) . '.1' : 1; |
| | | if (($_part = $this->mime_parts[$n]) && $_part->charset) { |
| | | $charsets[] = $_part->charset; |
| | | } |
| | | |
| | | // check parents' charset |
| | | $items = explode('.', $part->mime_id); |
| | | for ($i = count($items)-1; $i > 0; $i--) { |
| | | $last = array_pop($items); |
| | | $parent = $this->mime_parts[join('.', $items)]; |
| | | |
| | | if ($parent && $parent->charset) { |
| | | $charsets[] = $parent->charset; |
| | | } |
| | | } |
| | | } |
| | | |
| | | if ($this->headers->charset) { |
| | | $charsets[] = $this->headers->charset; |
| | | } |
| | | |
| | | if (empty($charsets)) { |
| | | $rcube = rcube::get_instance(); |
| | | $charsets[] = rcube_charset::detect($name, $rcube->config->get('default_charset', RCUBE_CHARSET)); |
| | | } |
| | | |
| | | foreach (array_unique($charsets) as $charset) { |
| | | $_name = rcube_charset::convert($name, $charset); |
| | | |
| | | if ($_name == rcube_charset::clean($_name)) { |
| | | if (!$part->charset) { |
| | | $part->charset = $charset; |
| | | } |
| | | |
| | | return $_name; |
| | | } |
| | | } |
| | | |
| | | return $name; |
| | | } |
| | | |
| | | /** |
| | | * Deprecated methods (to be removed) |